Gas fireplace service
Sweep & inspection
Caps & crowns
Flue relining
Masonry repairLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Why Atlanta Homeowners Choose HeatShield Chimney Cleaning
We provide independent Atlanta Heatshield service for chimney cleaning, repair, and resurfacing throughout the metro area. Our technicians work with genuine HeatShield Cerfractory materials on every joint repair and resurfacing job, and we’ve spent years learning how Atlanta’s humidity, red clay soil movement, and older masonry stock affect these systems in ways the manufacturer’s generic documentation never covers. Call (762) 356-6423 for a free estimate.
Here’s the thing about HeatShield: it’s not a product you install and forget. It’s a Cerfractory flue coating that has to bond correctly to the existing flue wall, cure properly, and hold up against whatever your chimney throws at it. In Atlanta, that means freeze-thaw cycles in January, heavy summer downpours, and decades of settling on our red clay soil. We’ve repaired and maintained hundreds of HeatShield flue systems across metro Atlanta, from Grant Park bungalows to Heatshield repair in Decatur on two-stories to ranch houses in Smyrna. That volume gives us something a generalist chimney company doesn’t have: we know exactly when a HeatShield application is going to work, when it’s going to fail, and how to prep the flue so it bonds the way it’s supposed to.
We are not affiliated with or authorized by HeatShield. We’re an independent service provider that carries and installs their materials because they work. And we’ll tell you plainly when HeatShield isn’t the right fix for your chimney.
Why Trust Alcott Chimney Atlanta for Your HeatShield Chimney Cleaning?
Ruben Castellano, our owner, learned the fundamentals at Los Angeles Trade-Technical College before spending years working chimneys up and down the West Coast. He brought his crew east and has spent the better part of a decade servicing Atlanta homes, including older Craftsman-style houses in Grant Park where the masonry keeps him honest. Ruben walks every homeowner through exactly what he found inside the flue, in plain language, before he quotes a single dollar. As he says: “Tell me what you’re seeing, and I’ll tell you what it actually means.”
When it comes to HeatShield specifically, our techs have applied and repaired the full product line: Cerfractory Flue Sealant, the Joint Repair System, the Resurfacing System, and the CeCure Sleeve Relining System. We understand the material. HeatShield Cerfractory is a proprietary ceramic-based compound that expands and contracts at a rate matched to masonry flue walls. If the surface prep is wrong, or if the flue has moisture intrusion we didn’t catch, the new coating will spall off in sheets within a season or two. We prep every flue the way the material demands, and we verify the bond with a camera scan before we pack up. Every repair comes with a written guarantee: if it fails within the coverage period, the second visit is free. That’s the 365-Day Done Right Promise, and it applies to HeatShield work the same as everything else we do.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Fix in Atlanta
- Spalled Cerfractory coating above the smoke shelf. This is the most common HeatShield failure we see in Atlanta. The coating delaminates from the original flue wall, usually because the flue wasn’t properly profiled or dried before application, or because water has been entering through a cracked crown. Homeowners notice fine gray dust in the firebox or on the hearth. On a 1980s Decatur two-story, we traced this exact symptom to a 12-foot spalled section above the smoke shelf, where a strong downdraft was pulling loose particles back into the living space. The fix: remove the failed material, re-profile the flue walls, and apply fresh HeatShield in two passes, then verify with a camera scan.
- Failed joint repair from original clay tile settlement. Atlanta’s red clay soil expands and contracts with moisture, and older homes with shallow footings shift enough to crack clay tile liner joints. HeatShield Joint Repair System is designed for this, but if the original application was done over a joint that was still moving, the sealant cracks again. We check for active movement before we quote a joint repair. If the flue is still shifting, we’ll tell you that a patch won’t hold and recommend the honest alternative.
- Moisture intrusion behind intact-looking HeatShield. HeatShield is not a waterproofing product. It seals the flue against gas and creosote migration, but water can still get in from the outside: failed crowns, bad flashing, porous brick. We regularly find HeatShield flues in Atlanta that look fine on camera but have brick spalling on the exterior. The coating didn’t fail. The chimney leaked around it. Our Level 2 Inspection checks the full system, not just the flue interior.
- Gas log soot buildup on HeatShield surfaces. Atlanta has a lot of gas log fireplaces, and gas logs produce a fine, acidic soot that clings to Cerfractory differently than wood creosote does. Over time, it etches the surface and reduces the coating’s effectiveness. We remove it with the right brushes and solvents for HeatShield materials, not the abrasive methods that would score the coating.
- DIY or unskilled patch jobs over original HeatShield. We get called after another company or a well-meaning homeowner smeared refractory cement or furnace cement over a failing HeatShield section. Those materials don’t match HeatShield’s thermal expansion rate, so they crack within months and often make the underlying damage worse. We strip the incompatible patch, assess what the original HeatShield needs, and do the repair properly.
HeatShield Parts & Our Repair-vs-Replace Approach
For all HeatShield resurfacing and joint repair work, we use genuine HeatShield Cerfractory materials. There’s no shortcut here. Aftermarket equivalents don’t carry the same UL listing, don’t match the thermal expansion characteristics, and won’t bond the same way to a masonry flue. We won’t install a substitute because we won’t guarantee a substitute.
That said, HeatShield doesn’t make every component on your chimney. Caps, dampers, flashing, and chase covers are wear items, and we recommend high-quality aftermarket parts that meet or exceed local code and are sized to your specific flue. We stock common sizes of these locally so turnaround on a full HeatShield service call stays fast. And when a flue is too far gone, we’ll tell you that too. A flue with structural cracks, severe offset, or a fire-damaged interior may need a CeCure Sleeve Reliner or a full rebuild instead of a Cerfractory coating. HeatShield is a phenomenal product when it’s the right product. We don’t push it when it isn’t. Call (762) 356-6423 to talk through what you’re seeing.
Our HeatShield Service Process – Step by Step
- 1
Diagnosis and camera inspection. We start with a Level 2 Inspection, which means running a camera through the full flue and showing you the footage. For HeatShield work, we’re looking for active moisture, movement at the clay tile joints, spalled coating, and whether the existing flue is even a candidate for Cerfractory. You see what we see, and you get the written price before any work starts.
- 2
Flue preparation. This is where most HeatShield failures are born. The flue walls have to be ground to the right profile, cleaned of creosote and soot, and dried to the right moisture level. In Atlanta’s humid summers, drying time matters. We don’t rush this step.
- 3
HeatShield application. We apply the Cerfractory material in the right number of passes for the system we’re using: Joint Repair System for cracked tile joints, Resurfacing System for a full-wall coating, CeCure Sleeve for complete lining. The mixing, application thickness, and cure time follow the manufacturer’s spec exactly.
- 4
Verification and warranty. After curing, we run the camera again to confirm full-thickness bond and no gaps. Then we document everything and hand you the written guarantee covering the work. If it fails within the coverage period, the second visit is free.
See the difference
Before
After
Before
After
Before
AfterHeatShield Products We Service & Install in Atlanta
We carry and service the full HeatShield line. The Cerfractory Flue Sealant is for minor surface sealing and small cracks. The Joint Repair System rebuilds deteriorated mortar joints between clay tiles. The Resurfacing System coats the entire flue wall with a new Cerfractory surface. The CeCure Sleeve Relining System is HeatShield’s full liner option, a cast-in-place sleeve for flues that need more than a coating. We stock the materials locally in Atlanta and can typically begin work within a few days of diagnosis.
We Also Service These Brands
HeatShield is one of the products we trust most, but it isn’t the only one. We also carry and install DuraFlex stainless steel liner systems and Gelco chimney products. If your chimney needs a stainless liner instead of a Cerfractory coating, or a Gelco cap and chase cover, we’ll tell you that’s the better call and install it properly.
FAQs – HeatShield Chimney Cleaning Service in Atlanta
No. We are an independent HeatShield service provider. We carry and install genuine HeatShield materials, and our technicians have extensive field experience with the product line, but we are not affiliated with or authorized by HeatShield the manufacturer. We don’t need to be. We stand behind our work with our own written guarantee, and if the repair fails within the coverage period, the second visit is free.
For all HeatShield resurfacing and joint repair work, we use genuine HeatShield Cerfractory materials. No substitutes. The material’s UL listing, thermal expansion rate, and bonding characteristics are specific to the product, and aftermarket equivalents don’t match them. For components like caps, dampers, and flashing, we use high-quality aftermarket parts that meet or exceed local code and are sized to your flue.
A typical HeatShield Joint Repair or Resurfacing job takes one to two days on site, depending on flue length, condition, and weather. Flue prep and drying time matter, especially in Atlanta’s humid summer months. We don’t rush cure times. The camera inspection, written quote, and scheduling usually happen a few days before the work itself. Call (762) 356-6423 and we’ll give you a realistic timeline for your specific chimney.
We service and install all four HeatShield systems: Cerfractory Flue Sealant, Joint Repair System, Resurfacing System, and CeCure Sleeve Relining System, including Clarkston Heatshield service. Most Atlanta calls are for Joint Repair on cracked clay tile liners in older bungalows and Resurfacing for spalled coatings in mid-century homes. CeCure is the call when the flue needs more than a coating.
No. We follow the manufacturer’s application and curing specs exactly, use genuine HeatShield materials, and document the full process with before-and-after camera footage. Our work won’t void a valid HeatShield warranty, and our own written guarantee covers the repair independent of the manufacturer. If it fails within the coverage period, the second visit is free.
Our Chimney Sweep services with a Level 2 camera inspection in Atlanta typically run $225 to $450 before any repairs, depending on flue height, creosote load, and accessibility. HeatShield joint repairs start around $600 to $1,200 per section depending on severity, and a full resurfacing typically ranges from $3,000 to $7,000. Written pricing before any work begins is a non-negotiable part of how we operate. Call (762) 356-6423 for an exact quote, no guesswork.
No. HeatShield Cerfractory is designed to bond to masonry flue walls, not to stainless steel. If your chimney already has a stainless liner, the liner is the system. If that liner is failing, the fix is a new liner, not a Cerfractory coating over metal. We’ll tell you the same thing on the phone.
In a low-use gas log scenario, a properly applied HeatShield resurfacing can last 20 years or more in Atlanta. The bigger threats to longevity here are moisture intrusion through the crown or exterior brick, not heat cycling. If the chimney leaks, the coating’s lifespan drops fast. We inspect the full system before we quote any HeatShield work so we’re not applying a coating to a chimney that’s about to fail from water damage.
Because a cracked flue tile is still a problem even with gas logs. The combustion gases from a gas fireplace are acidic and can migrate through cracks into the chimney structure, deteriorating mortar and eventually leaking into the house. A joint repair or HeatShield coating seals the flue against that. A patch might buy a season. HeatShield is the long-term fix when the flue is otherwise sound.
No, HeatShield Cerfractory does not contain asbestos. It’s a ceramic-based, non-toxic compound once cured. It’s safe for chimneys adjacent to bedrooms and living spaces. We still run proper ventilation during application, but the material itself is not a health hazard.
You can’t tell from the outside, but a Level 2 camera inspection will show the full flue interior from top to bottom. We’ll look for spalling, gaps at joints, moisture staining, and coating integrity. You’ll see the footage yourself. In Atlanta, ten-year-old HeatShield jobs are still usually in good shape if the crown and flashing were maintained. If you want certainty, call (762) 356-6423 and schedule the inspection.
Book Your HeatShield Service in Atlanta, GA
If you’ve got a HeatShield flue that needs cleaning, an inspection, or a repair, call Alcott Chimney Atlanta at (762) 356-6423. You’ll get a real person on the phone, a written price before any work begins, and a technician whose name and photo you’ll see before they arrive. Free estimates, straight answers, and work that’s guaranteed for a full year.
Written by Ruben Castellano, Owner at Alcott Chimney Atlanta, serving Atlanta since 2002.